Question

2 What will provide the "internal force in the experiment where both carts are intially stationary fc 3. During a perfectly inelastic collision, what % of kinetic energy is conserved if an object of mass 5.0 kg strikes a stationary mass of 20.0 kg? what % will be conserved ir the collision is elastlo instead (same two masses) 5120 4, consider the masses in question #3 and assume an elastic collision between them. If the 5.0-kg mass has an initial velocity of +8.0 m/s, what will the final velocity be for each mass (magnitude and direction)? 5. Is it ever possible that after an elastic collision (where a moving mass (1) strikes a stationar mass (2)) that the two objects will have exactly the same final speeds? If so, how must the two masses compare? (Hints, 1et: there ars two possibilities as to how the speeds could be equal, 2nd: equation 5a and 5b should h teisful). ev. 2.0 PHY2

please answer 3-5 and show each step

Answer 1

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